<template>
    <div class="app-container">
      <el-form :model="queryParams" ref="queryRef" :inline="true" v-show="showSearch" label-width="68px">
        <el-form-item label="姓名" prop="name">
          <el-input
            v-model="queryParams.name"
            placeholder="请输入姓名"
            clearable
            @keyup.enter="handleQuery"
          />
        </el-form-item>
        <el-form-item label="年龄" prop="age">
          <el-input
            v-model="queryParams.age"
            placeholder="请输入年龄"
            clearable
            @keyup.enter="handleQuery"
          />
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input
            v-model="queryParams.password"
            placeholder="请输入密码"
            clearable
            @keyup.enter="handleQuery"
          />
        </el-form-item>
        <el-form-item label="时间" prop="time">
          <el-date-picker clearable
            v-model="queryParams.time"
            type="date"
            value-format="YYYY-MM-DD"
            placeholder="请选择时间">
          </el-date-picker>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" icon="Search" @click="handleQuery">搜索</el-button>
          <el-button icon="Refresh" @click="resetQuery">重置</el-button>
        </el-form-item>
      </el-form>
  
      <el-row :gutter="10" class="mb8">
        <el-col :span="1.5">
          <el-button
            type="primary"
            plain
            icon="Plus"
            @click="handleAdd"
            v-hasPermi="['system:student:add']"
          >新增</el-button>
        </el-col>
        <el-col :span="1.5">
          <el-button
            type="success"
            plain
            icon="Edit"
            :disabled="single"
            @click="handleUpdate"
            v-hasPermi="['system:student:edit']"
          >修改</el-button>
        </el-col>
        <el-col :span="1.5">
          <el-button
            type="danger"
            plain
            icon="Delete"
            :disabled="multiple"
            @click="handleDelete"
            v-hasPermi="['system:student:remove']"
          >删除</el-button>
        </el-col>
        <el-col :span="1.5">
          <el-button
            type="warning"
            plain
            icon="Download"
            @click="handleExport"
            v-hasPermi="['system:student:export']"
          >导出</el-button>
        </el-col>
        <right-toolbar v-model:showSearch="showSearch" @queryTable="getList"></right-toolbar>
      </el-row>
  
      <el-table v-loading="loading" :data="studentList" @selection-change="handleSelectionChange">
        <el-table-column type="selection" width="55" align="center" />
        <el-table-column label="学号" align="center" prop="id" />
        <el-table-column label="姓名" align="center" prop="name" />
        <el-table-column label="性别" align="center" prop="sex" />
        <el-table-column label="年龄" align="center" prop="age" />
        <el-table-column label="密码" align="center" prop="password" />
        <el-table-column label="时间" align="center" prop="time" width="180">
          <template #default="scope">
            <span>{{ parseTime(scope.row.time, '{y}-{m}-{d}') }}</span>
          </template>
        </el-table-column>
        <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
          <template #default="scope">
            <el-button link type="primary" icon="Edit" @click="handleUpdate(scope.row)" v-hasPermi="['system:student:edit']">修改</el-button>
            <el-button link type="primary" icon="Delete" @click="handleDelete(scope.row)" v-hasPermi="['system:student:remove']">删除</el-button>
          </template>
        </el-table-column>
      </el-table>
      
      <pagination
        v-show="total>0"
        :total="total"
        v-model:page="queryParams.pageNum"
        v-model:limit="queryParams.pageSize"
        @pagination="getList"
      />
  
      <!-- 添加或修改学生对话框 -->
      <el-dialog :title="title" v-model="open" width="500px" append-to-body>
        <el-form ref="studentRef" :model="form" :rules="rules" label-width="80px">
          <el-form-item label="姓名" prop="name">
            <el-input v-model="form.name" placeholder="请输入姓名" />
          </el-form-item>
          <el-form-item label="年龄" prop="age">
            <el-input v-model="form.age" placeholder="请输入年龄" />
          </el-form-item>
          <el-form-item label="密码" prop="password">
            <el-input v-model="form.password" placeholder="请输入密码" />
          </el-form-item>
          <el-form-item label="时间" prop="time">
            <el-date-picker clearable
              v-model="form.time"
              type="date"
              value-format="YYYY-MM-DD"
              placeholder="请选择时间">
            </el-date-picker>
          </el-form-item>
        </el-form>
        <template #footer>
          <div class="dialog-footer">
            <el-button type="primary" @click="submitForm">确 定</el-button>
            <el-button @click="cancel">取 消</el-button>
          </div>
        </template>
      </el-dialog>
    </div>
  </template>
  
  <script setup name="Student">
  import { listStudent, getStudent, delStudent, addStudent, updateStudent } from "@/api/system/student"
  
  const { proxy } = getCurrentInstance()
  
  const studentList = ref([])
  const open = ref(false)
  const loading = ref(true)
  const showSearch = ref(true)
  const ids = ref([])
  const single = ref(true)
  const multiple = ref(true)
  const total = ref(0)
  const title = ref("")
  
  const data = reactive({
    form: {},
    queryParams: {
      pageNum: 1,
      pageSize: 10,
      name: null,
      sex: null,
      age: null,
      password: null,
      time: null
    },
    rules: {
      name: [
        { required: true, message: "姓名不能为空", trigger: "blur" }
      ],
    }
  })
  
  const { queryParams, form, rules } = toRefs(data)
  
  /** 查询学生列表 */
  function getList() {
    loading.value = true
    listStudent(queryParams.value).then(response => {
      studentList.value = response.rows
      total.value = response.total
      loading.value = false
    })
  }
  
  // 取消按钮
  function cancel() {
    open.value = false
    reset()
  }
  
  // 表单重置
  function reset() {
    form.value = {
      id: null,
      name: null,
      sex: null,
      age: null,
      password: null,
      time: null
    }
    proxy.resetForm("studentRef")
  }
  
  /** 搜索按钮操作 */
  function handleQuery() {
    queryParams.value.pageNum = 1
    getList()
  }
  
  /** 重置按钮操作 */
  function resetQuery() {
    proxy.resetForm("queryRef")
    handleQuery()
  }
  
  // 多选框选中数据
  function handleSelectionChange(selection) {
    ids.value = selection.map(item => item.id)
    single.value = selection.length != 1
    multiple.value = !selection.length
  }
  
  /** 新增按钮操作 */
  function handleAdd() {
    reset()
    open.value = true
    title.value = "添加学生"
  }
  
  /** 修改按钮操作 */
  function handleUpdate(row) {
    reset()
    const _id = row.id || ids.value
    getStudent(_id).then(response => {
      form.value = response.data
      open.value = true
      title.value = "修改学生"
    })
  }
  
  /** 提交按钮 */
  function submitForm() {
    proxy.$refs["studentRef"].validate(valid => {
      if (valid) {
        if (form.value.id != null) {
          updateStudent(form.value).then(response => {
            proxy.$modal.msgSuccess("修改成功")
            open.value = false
            getList()
          })
        } else {
          addStudent(form.value).then(response => {
            proxy.$modal.msgSuccess("新增成功")
            open.value = false
            getList()
          })
        }
      }
    })
  }
  
  /** 删除按钮操作 */
  function handleDelete(row) {
    const _ids = row.id || ids.value
    proxy.$modal.confirm('是否确认删除学生编号为"' + _ids + '"的数据项？').then(function() {
      return delStudent(_ids)
    }).then(() => {
      getList()
      proxy.$modal.msgSuccess("删除成功")
    }).catch(() => {})
  }
  
  /** 导出按钮操作 */
  function handleExport() {
    proxy.download('system/student/export', {
      ...queryParams.value
    }, `student_${new Date().getTime()}.xlsx`)
  }
  
  getList()
  </script>
  